Solutions
5' to 3' Correct Answers DNA nucleotides attached in this
direction
30-nm fiber Correct Answers compact structure of
nucleosomes, shortens total DNA length 7-fold
A site (aminoacyl) Correct Answers binds to the tRNA
carrying the next amino acid to be added
aminoacyl-tRNA synthetase Correct Answers enzyme that
joins each amino acid to the appropriate tRNA
anti-parallel Correct Answers anticodon is ____ to the codon
anticodon Correct Answers group of three nucleotides on a
tRNA molecule that recognize a codon
Avery, MacLeod, McCarty Experiment Correct Answers
demonstrated that DNA is the genetic material because
degradation of DNA led to a cessation of bacterial
transformation
bacteria chromosome Correct Answers single circular
bacterial ribosome Correct Answers one type in cytoplasm
, Beadle and Tatum Correct Answers One gene-one enzyme
hypothesis (wild-type cells grew on minimal media, mutants
only grew when enzymes added)
before Correct Answers methylation occurs _____ duplication
capping Correct Answers 7-methylguanosine residue on 5' end
RNA, protects the mRNA from degradation, required for
translation in the cytoplasm
centromere Correct Answers constricted region of the
chromosome that has a role in segregation during
mitosis/meiosis
chromatin Correct Answers DNA-protein complex in
eukaryotes
chromosome Correct Answers structures that contain the
genetic material
chromosome territory Correct Answers region in a cell nucleus
that is occupied by a single chromosome
codon Correct Answers three nucleotides
colinearity Correct Answers amino acid sequence in the
polypeptide corresponds to the nucleotide pair sequence in the
gene
conservative model Correct Answers parental strands stay
together, daughter strands stay together